Bump sphinx from 2.1.0 to 2.1.1 (#3834)
Bump sphinx from 2.1.0 to 2.1.1 (#3834)

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 2.1.0 to 2.1.1.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES)
- [Commits](https://github.com/sphinx-doc/sphinx/compare/v2.1.0...v2.1.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>

Co-authored-by: null <bbc507a6616dff25644d3d5695860a60fa5984a2@users.noreply.github.com>
KeepSafe/aiohttp,KeepSafe/aiohttp,KeepSafe/aiohttp